12th Anniversary of 9/11

Friends and relatives of the victims of 9/11 gather for ceremonies marking the 12th anniversary of the attacks at the National September 11 Memorial at the World Trade Center site in New York and the the Flight 93 National Memorial in Pennsylvania.

President Barack Obama, first lady Michelle Obama, Vice President Joe Biden, and Jill Biden put their hands to their hearts during the playing of "Taps" on the South Lawn of the White House in Washington, Wednesday, Sept. 11, 2013, to mark the 12th anniversary of the September 11 terror attacks. (AP Photo/Charles Dharapak)Photo by Charles Dharapak